题目内容
照射野是指
2021-12-13
A.射线束经准直器后照射到模体表面的范围
B.射线束经准直器后中心轴通过模体的范围
C.散射线经准直器后中心轴通过模体的范围
D.原射线经准直器后中心轴通过模体的范围
E.射线束经准直器后中心轴垂直通过模体的范围
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